Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.55762E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T00:52:26+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53577
    NORAD ID 53577
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53633
    NORAD ID 53633
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4553 STARLINK-4593
    Time of Closest Approach 2026-09-03T04:43:08+0000
    Collision Probability (Pc) 1.55762E-6
    Conjunction Distance (km) 2.509 km
    Relative Speed (km/s) 12.226 km/s
    Conjunction Risk Parameters R (Radial): 2.502 | I (In-track): 0.111 | C (Cross-track): -0.157
    Collision Risk Index (CRI) 0.39
    X Position (km) -5490.983 -5488.86
    Position Y (km) 4077.784 4076.447
    Position Z (km) 153.015 152.965
    Velocity X (km/s) -2.845 -2.614
    Velocity Y (km/s) -3.589 -3.762
    Velocity Z (km/s) -6.111 6.111

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4553 STARLINK-4593
    Semimajor Axis (a) 6840.902 km 6837.859 km
    Eccentricity (e) 0.000137 0.000116
    Inclination (i) 53.1613° 53.1588°
    RAAN 327.5586° 147.9272°
    Perigee Argument 109.6276° 100.9677°
    Mean Anomaly (M) 250.4875° 259.1456°
    Apogee 463.704 km 460.513 km
    Perigee 461.826 km 458.931 km
    Orbit Epoch 2026-09-02T12:18:46+0000 2026-09-02T00:35:31+0000

    STARLINK-4553 & STARLINK-4593 Collision Probability (Pc) Trend

    STARLINK-4553 & STARLINK-4593 Collision Probability (Pc) TrendNot Available

    STARLINK-4553 & STARLINK-4593 Miss Distance (Miss Distance) Trend

    STARLINK-4553 & STARLINK-4593 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4553Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4593Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4553Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4593Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4553

    No nearby objects data